Сделал лабораторную 6

Bulldozer/Bulldozer/FormBulldozerConfig.Designer.cs

@@ -125,7 +125,6 @@
             this.labelModifiedObject.TabIndex = 8;
             this.labelModifiedObject.Text = "Продвинутый";
             this.labelModifiedObject.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
-            this.labelModifiedObject.MouseDown += labelObject_MouseDown;
             // 
             // labelSimpleObject
             // 
@@ -138,7 +137,6 @@
             this.labelSimpleObject.TabIndex = 7;
             this.labelSimpleObject.Text = "Простой";
             this.labelSimpleObject.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
-            this.labelSimpleObject.MouseDown += labelObject_MouseDown;
             // 
             // groupBoxColors
             // 
@@ -158,8 +156,6 @@
             this.groupBoxColors.TabIndex = 6;
             this.groupBoxColors.TabStop = false;
             this.groupBoxColors.Text = "Цвета";
-            this.groupBoxColors.DragDrop += PanelObject_DragDrop;
-            this.groupBoxColors.DragEnter += PanelObject_DragEnter;
             // 
             // panelPurple
             // 
@@ -169,7 +165,6 @@
             this.panelPurple.Name = "panelPurple";
             this.panelPurple.Size = new System.Drawing.Size(43, 43);
             this.panelPurple.TabIndex = 1;
-            this.panelPurple.MouseDown += panelColor_MouseDown;
             // 
             // panelBlack
             // 
@@ -179,7 +174,6 @@
             this.panelBlack.Name = "panelBlack";
             this.panelBlack.Size = new System.Drawing.Size(43, 43);
             this.panelBlack.TabIndex = 1;
-            this.panelBlack.MouseDown += panelColor_MouseDown;
             // 
             // panelGray
             // 
@@ -189,7 +183,6 @@
             this.panelGray.Name = "panelGray";
             this.panelGray.Size = new System.Drawing.Size(43, 43);
             this.panelGray.TabIndex = 1;
-            this.panelGray.MouseDown += panelColor_MouseDown;
             // 
             // panelWhite
             // 
@@ -199,7 +192,6 @@
             this.panelWhite.Name = "panelWhite";
             this.panelWhite.Size = new System.Drawing.Size(43, 43);
             this.panelWhite.TabIndex = 1;
-            this.panelWhite.MouseDown += panelColor_MouseDown;
             // 
             // panelYellow
             // 
@@ -209,7 +201,6 @@
             this.panelYellow.Name = "panelYellow";
             this.panelYellow.Size = new System.Drawing.Size(43, 43);
             this.panelYellow.TabIndex = 1;
-            this.panelYellow.MouseDown += panelColor_MouseDown;
             // 
             // panelBlue
             // 
@@ -219,17 +210,15 @@
             this.panelBlue.Name = "panelBlue";
             this.panelBlue.Size = new System.Drawing.Size(43, 43);
             this.panelBlue.TabIndex = 1;
-            this.panelBlue.MouseDown += panelColor_MouseDown;
             // 
             // panelGreen
             // 
-            this.panelGreen.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(0)))), ((int)(((byte)(192)))), ((int)(((byte)(0)))));
+            this.panelGreen.BackColor = System.Drawing.Color.Green;
             this.panelGreen.Location = new System.Drawing.Point(77, 34);
             this.panelGreen.Margin = new System.Windows.Forms.Padding(2);
             this.panelGreen.Name = "panelGreen";
             this.panelGreen.Size = new System.Drawing.Size(43, 43);
             this.panelGreen.TabIndex = 1;
-            this.panelGreen.MouseDown += panelColor_MouseDown;
             // 
             // panelRed
             // 
@@ -239,7 +228,6 @@
             this.panelRed.Name = "panelRed";
             this.panelRed.Size = new System.Drawing.Size(43, 43);
             this.panelRed.TabIndex = 0;
-            this.panelRed.MouseDown += panelColor_MouseDown;
             // 
             // numericUpDownWeight
             // 
@@ -327,8 +315,6 @@
             this.panelObject.Name = "panelObject";
             this.panelObject.Size = new System.Drawing.Size(334, 202);
             this.panelObject.TabIndex = 2;
-            this.            panelObject.DragDrop += PanelObject_DragDrop;
-            panelObject.DragEnter += PanelObject_DragEnter;
             // 
             // labelAddColor
             // 
@@ -341,8 +327,6 @@
             this.labelAddColor.TabIndex = 3;
             this.labelAddColor.Text = "Дополн. цвет";
             this.labelAddColor.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
-            this.labelAddColor.DragDrop += labelColor_dragDrop;
-            this.labelAddColor.DragEnter += labelColor_dragEnter;
             // 
             // labelColor
             // 
@@ -355,8 +339,6 @@
             this.labelColor.TabIndex = 2;
             this.labelColor.Text = "Основной цвет";
             this.labelColor.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
-            this.labelColor.DragDrop += labelColor_dragDrop;
-            this.labelColor.DragEnter += labelColor_dragEnter;
             // 
             // buttonAdd
             // 
@@ -367,7 +349,6 @@
             this.buttonAdd.TabIndex = 3;
             this.buttonAdd.Text = "Добавить";
             this.buttonAdd.UseVisualStyleBackColor = true;
-            this.buttonAdd.Click += buttonAdd_Click;
             // 
             // buttonCancel
             // 

Bulldozer/Bulldozer/Generics/BulldozersGenericStorage.cs

@@ -67,7 +67,7 @@ namespace Bulldozer.Generics
         /// </summary>
         /// <param name="ind"></param>
         /// <returns></returns>
-        public BulldozersGenericCollection<DrawingBulldozer, DrawingObjectBulldozer> ? this[string ind]
+        public BulldozersGenericCollection<DrawingBulldozer, DrawingObjectBulldozer>? this[string ind]
         {
             get
             {
@@ -118,9 +118,15 @@ namespace Bulldozer.Generics
             {
                 return false;
             }
-            using FileStream fs = new(filename, FileMode.Create);
+            string toWrite = $"BulldozerStorage{Environment.NewLine}{data}";
-            byte[] info = new UTF8Encoding(true).GetBytes($"BulldozerStorage{Environment.NewLine}{data}");
+            var strs = toWrite.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
-            fs.Write(info, 0, info.Length);
+            using (StreamWriter sw = new(filename))
+            {
+                foreach (var str in strs)
+                {
+                    sw.WriteLine(str);
+                }
+            }
             return true;
         }
 
@@ -135,50 +141,48 @@ namespace Bulldozer.Generics
             {
                 return false;
             }
-            string bufferTextFromFile = "";
+            using (StreamReader sr = new(filename))
-            using (FileStream fs = new(filename, FileMode.Open))
             {
-                byte[] b = new byte[fs.Length];
+                string str = sr.ReadLine();
-                UTF8Encoding temp = new(true);
+                var strs = str.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
-                while (fs.Read(b, 0, b.Length) > 0)
+                if (strs == null || strs.Length == 0)
                 {
-                    bufferTextFromFile += temp.GetString(b);
+                    return false;
                 }
-            }
+                if (!strs[0].StartsWith("BulldozerStorage"))
-            var strs = bufferTextFromFile.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
-            if (strs == null || strs.Length == 0)
-            {
-                return false;
-            }
-            if (!strs[0].StartsWith("BulldozerStorage"))
-            {
-                return false;
-            }
-            _bulldozerStorages.Clear();
-            foreach (string data in strs)
-            {
-                string[] record = data.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
-                if (record.Length != 2)
                 {
-                    continue;
+                    return false;
                 }
-                BulldozersGenericCollection<DrawingBulldozer, DrawingObjectBulldozer> collection = new(_pictureWidth, _pictureHeight);
+                _bulldozerStorages.Clear();
-                string[] set = record[1].Split(_separatorRecords, StringSplitOptions.RemoveEmptyEntries);
+                do
-                
-                foreach (string elem in set)
                 {
-                    DrawingBulldozer? bulldozer = elem?.CreateDrawingBulldozer(_separatorForObject, _pictureWidth, _pictureHeight);
+                    string[] record = str.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
-                    if (bulldozer != null)
+                    if (record.Length != 2)
                     {
-                        if ((collection + bulldozer) == -1)
+                        str = sr.ReadLine();
+                        continue;
+                    }
+                    BulldozersGenericCollection<DrawingBulldozer, DrawingObjectBulldozer> collection = new(_pictureWidth, _pictureHeight);
+                    string[] set = record[1].Split(_separatorRecords, StringSplitOptions.RemoveEmptyEntries);
+                    foreach (string elem in set)
+                    {
+                        DrawingBulldozer? bulldozer =
+                        elem?.CreateDrawingBulldozer(_separatorForObject, _pictureWidth, _pictureHeight);
+                        if (bulldozer != null)
                         {
-                            return false;
+                            if ((collection + bulldozer) == -1)
+                            {
+                                return false;
+                            }
                         }
                     }
-                }
+                    _bulldozerStorages.Add(record[0], collection);
-                _bulldozerStorages.Add(record[0], collection);
+
+                    str = sr.ReadLine();
+                } while (str != null);
             }
             return true;
         }
     }
 }
+